Home / 48,119.08-66,407.73-31,352.08

Finding the Fourth Proportional to 48,119.08, 66,407.73 and 31,352.08

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Solution

The fourth proportional to 48,119.08, 66,407.73 and 31,352.08 is: 43,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,119.08 : 66,407.73 = 31,352.08 : x
  2. Step 2: Convert to fraction form
    48,119.08/66,407.73 = 31,352.08/x
  3. Step 3: Cross multiply
    48,119.08x = 66,407.73 × 31,352.08
  4. Step 4: Simplify right side
    48,119.08x = 2,082,020,463.58
  5. Step 5: Solve for x
    x = 2,082,020,463.58/48,119.08
  6. Step 6: Final answer
    x = 43,268.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.